DIY History | Transcribe | Scholarship at Iowa | The fertilizing cell, its varying form and behavior by Nelly Peery, 1890 | The fertilizing cell, its varying form and behavior by Nelly Peery, 1890, Page 43

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The fertilizing cell, its varying form and behavior by Nelly Peery, 1890

The fertilizing cell, its varying form and behavior by Nelly Peery, 1890, Page 43

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41. spermatozoids have the same appearance as the androspores, except that they are very much smaller. The oogonium is always formed from the upper portion of a dividing cell. It swells up into a round body, filled with dense protoplasm. The protoplasm contracts, as in Vancheria, into a round mass in the center, with a border of hyaline protoplasm near the place where the oogonium opens.